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Write method that returns the sum of all the integers

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Reference no: EM131662219

Question: Repeat Exercise, but add code that detects if a file is referenced more than once. When such a situation is detected, the additional references are ignored.

Exercise: Suppose a data file contains lines that consist of either a single integer, or the name of a file that contains more lines. Note that a data file may reference several other files and the referenced files may themselves contain some additional file names, and so forth. Write a method that reads a specified file and returns the sum of all the integers in the file and any files that are referenced. You may assume that no file is referenced more than once.

Reference no: EM131662219

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